<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/class.spldoublylinkedlist.inc";
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    1 => 'SplDoublyLinkedList::valid',
    2 => 'Check whether the doubly linked list contains more nodes',
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    'path' => 'reference/spl/spldoublylinkedlist/valid.xml',
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manual_setup($setup);

contributors($setup);

?>
<div id="spldoublylinkedlist.valid" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SplDoublyLinkedList::valid</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SplDoublyLinkedList::valid</span> &mdash; <span class="dc-title">Check whether the doubly linked list contains more nodes</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-spldoublylinkedlist.valid-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SplDoublyLinkedList::valid</strong></span>(): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   Checks if the doubly linked list contains any more nodes.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-spldoublylinkedlist.valid-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-spldoublylinkedlist.valid-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> if the doubly linked list contains any more nodes, <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> otherwise.
  </p>
 </div>


</div><?php manual_footer($setup); ?>